﻿// A simple program that builds a sqrt table.

#include <stdio.h>
#include <math.h>

int main(int argc, char* argv[])
{
    int i;
    double result;

    // make sure we have enough arguments
    if (argc < 2)
    {
        return 1;
    }

    // open the output file
    FILE* fout = fopen(argv[1], "w");
    if (!fout)
    {
        return 1;
    }

    // create a source file with a table of square roots
    fprintf(fout, "double sqrtTable[]={\n");

    for (size_t i = 0; i < 10; i++)
    {
        result = sqrt(static_cast<double>(i));
        fprintf(fout, "%g,\n", result);
    }

    // close the table with a zero
    fprintf(fout, "0};\n");
    fclose(fout);

    return 0;
}